Audiophilepure

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” he Trio’s vacuum tube imparts a sweetness that I like, but I admit this amp doesn’t supply the most accurate sound. That’s not the goal here, but the Trio isn’t soft or overly mellow, just ever so slightly richer than what you get from solid-state amps. Also, with very quiet music some background hiss or noise was audible, just barely, but it’s there. I wouldn’t blame the tube for the hiss; I’ve heard hiss from many solid-state headphone amps.”